BEAUMONT, P. (1989). Dryland: Enviromental management and development. Routledge.
Chicagoスタイル(17版)引用形式BEAUMONT, Peter. Dryland: Enviromental Management and Development. London: Routledge, 1989.
MLA(9版)引用形式BEAUMONT, Peter. Dryland: Enviromental Management and Development. Routledge, 1989.
警告: この引用は必ずしも正確ではありません.